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Thread started 03 Dec 2009 (Thursday) 02:12
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Mockingbird

 
Bill ­ Boehme
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Dec 03, 2009 02:12 |  #1

Shot with 7D and 400/5.6L lens. DPP used for RAW conversion, then processed in CS3. ISO 400 image. Apologies for the crummy background.

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txcanon
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Dec 03, 2009 02:31 |  #2

Very sharp... Good shot Bill.


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ajosteve
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Dec 03, 2009 02:54 |  #3

Nothing wrong with that BG. Looks great Bill!


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artyman
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Dec 03, 2009 03:33 |  #4

That is a quality shot


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Bill ­ Boehme
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Dec 03, 2009 14:23 as a reply to  @ artyman's post |  #5

Thanks, Brad, Steve, and Ken.

The bright white from the neighbor's house went right across the middle of the mockingbird in most of my shots and caused color fringing -- luckily, there were a couple with better exposure. Mr. Mockingbird always hangs out around the same spot so maybe with his permission, I can try a different angle today.

I think that winter is officially here in Texas ... I had to put on a light jacket. :D


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lilminijpc
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Dec 03, 2009 14:25 |  #6

hm.... so that's what those critters look like... i always hear them in yard, but never really knew what was making that noise...

+1 nice shot!


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Dec 03, 2009 17:11 |  #7

Excellent image.


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tomcio
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Dec 03, 2009 18:03 |  #8

I think its waaaaay too sharp you even have artifacts in the background. But I like the pose here. Thanx for sharing.


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jgrussell
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Dec 03, 2009 22:24 |  #9

Nice shot, Bill.


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Bill ­ Boehme
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Dec 03, 2009 23:23 |  #10

lilminijpc wrote in post #9128975 (external link)
hm.... so that's what those critters look like... i always hear them in yard, but never really knew what was making that noise...

+1 nice shot!

Thank you, lilminijpc.

Cyclop wrote in post #9129962 (external link)
Excellent image.

Thank you, Cyclop.

tomcio wrote in post #9130242 (external link)
I think its waaaaay too sharp you even have artifacts in the background. But I like the pose here. Thanx for sharing.

Thanks for the comments and critique, tomcio. The only thing that I notice in the background is noise from ISO 400, but you have my permission to edit the image to point out the artifacts that you are referring to. I am open to suggestions for improvement.

I used DPP to convert the RAW image which is not my normal workflow because DPP appears to leave a somewhat grainy "salt and pepper" type noise pattern that I do not get when using ACR to convert the RAW images (However, ACR has its own baggage ever since Adobe decided to add a rotation to the HSL colorspace that supposedly compensates for inherent discontinuities between changes in luminance and maintaining constant hue in the basic CIELAB and HSL color spaces -- while their intentions were good, I do not like the idea of shifting hues without allowing user intervention).

I do not normally use luminance NR because it negatively affects image sharpness, so only a small amount of chrominance NR was used in DPP. In Photoshop, I downsized the image to about 44% of the original size using the bicubic sharper algorithm. There are a couple problems with downsizing an image regardless of the algorithm.


  1. The first is a slight loss of sharpness. I compensated for that by applying a very mild amount of USM (Amount = 50, Radius = 0.3, and Threshold = 0).
  2. The second problem with downsizing an image is that high contrast edges wind up with a noticeable USM type outline. Sometimes, I deal with the latter problem by creating separate layers for the foreground and background and blurring the background layer to get rid of the outline. That is a lot of additional work and I did not think that this image warranted it.
The net effect of downsizing the image was that much of the fine feather detail appeared to be bordering on overly intense in my estimation, but short of settling for a soft image, I saw this as the better course.

Here is a snippet of the the original full size image showing some feather details. By enlarging the final version 227% and viewing the images side-by-side, one can see the significant effect downsizing an image -- it produces both stair-stepping of edges and halos around high contrast edges. One small consolation is that if the image were being printed, it would require even more sharpening for satisfactory printer output.

BTW, tomcio, I visited your gallery and your work is really beautiful and creative. Also, I am not normally a fan of HDR because it seems to be misused much of the time, but your HDR images are outstanding examples what is possible when the technique is used skillfully.



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Bill ­ Boehme
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Dec 03, 2009 23:24 |  #11

jgrussell wrote in post #9131710 (external link)
Nice shot, Bill.

Thanks, Judy.


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gatorbill
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Dec 04, 2009 01:25 |  #12

Nice shot, did you use PS to blur the background ?




  
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Bill ­ Boehme
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Dec 04, 2009 02:58 |  #13

gatorbill wrote in post #9132504 (external link)
Nice shot, did you use PS to blur the background ?

Thanks, gator bill. No, the background was already blurred, but I did some smoothing of the "salt and pepper" noise in the background. I did it the quick and dirty way and did not take great pains to get the noise that was really close to the mockingbird, so if you look carefully, you can see that there is a bit more background noise around the edges of the mockingbird.


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Oldjackssparrows
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Dec 04, 2009 04:29 |  #14

wow that is sharp, very nice!


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sparker1
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Dec 04, 2009 07:33 |  #15

Good one, Bill.


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